/* 
   ==========================================================================
   Visual Style: Quiet Intelligence Grid
   Palette: Purple and Yellow Accent
   - Main Background: #F8F6FC (Pale Lilac/Purple-tinted background)
   - Surface: #FFFFFF
   - Deep Ink: #1E0A3C (Very dark premium purple-black for text)
   - Data Purple: #4A1B8C (Premium Royal Purple)
   - Accent Yellow: #FFD600 (Rich Bright Yellow Accent)
   - Warm Sand: #FFF5CC (Warm Pale Yellow)
   - Grid Line: #E6DDF2 (Lavender-tinted soft grid line)
   - Alert Amber: #D48C00 (Deep Golden Amber)
   - Muted Text: #6D5A80 (Elegant dusty violet-grey)
   ========================================================================== 
*/

:root {
  --bg-main: #F8F6FC;
  --bg-surface: #FFFFFF;
  --color-ink: #1E0A3C;
  --color-blue: #4A1B8C;
  --color-green: #FFD600;
  --color-sand: #FFF5CC;
  --color-grid: #E6DDF2;
  --color-amber: #D48C00;
  --color-muted: #6D5A80;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, "Liberation Mono", Menlo, Courier, monospace;
  
  --grid-gap: 24px;
  --border-radius: 4px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Base Layout Structure */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--grid-gap);
}

/* Grid Utilities */
.grid-layout {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}

.border-grid {
  border: 1px solid var(--color-grid);
  background-color: var(--bg-surface);
  padding: var(--grid-gap);
  border-radius: var(--border-radius);
  position: relative;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-ink);
  margin-bottom: 0.5em;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.85rem;
  letter-spacing: -0.01em;
  border-bottom: 2px solid var(--color-grid);
  padding-bottom: 8px;
  margin-bottom: 1.2em;
}

h3 {
  font-size: 1.35rem;
}

p {
  margin-bottom: 1.2em;
  color: var(--color-ink);
}

.muted {
  color: var(--color-muted);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-blue);
}

/* Buttons and Links */
a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-amber);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-blue);
  color: var(--bg-surface);
}

.btn-primary:hover {
  background-color: var(--color-ink);
  color: var(--bg-surface);
}

.btn-secondary {
  background-color: var(--color-sand);
  border-color: var(--color-grid);
  color: var(--color-ink);
}

.btn-secondary:hover {
  background-color: var(--color-green);
  border-color: var(--color-amber);
}

/* Header */
.sticky-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(248, 246, 252, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-grid);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 52px; /* Slimmer header */
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 14px;
  height: 14px;
  background-color: var(--color-green);
  border: 2.5px solid var(--color-blue);
  display: inline-block;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  font-size: 0.88rem;
  color: var(--color-muted);
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-blue);
  border-bottom: 2px solid var(--color-green);
  padding-bottom: 2px;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--color-ink);
}

/* Hero Section */
.hero-section {
  padding: 60px 0;
  border-bottom: 1px solid var(--color-grid);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gap);
  align-items: center;
}

.hero-visual {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--color-grid);
  border-radius: var(--border-radius);
}

.visual-cell {
  height: 80px;
  border: 1px dashed var(--color-grid);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.visual-cell::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--color-grid);
  border-radius: 50%;
}

.visual-cell.active-blue {
  background-color: rgba(74, 27, 140, 0.08);
  border-color: var(--color-blue);
}

.visual-cell.active-blue::after {
  background: var(--color-blue);
}

.visual-cell.active-green {
  background-color: rgba(255, 214, 0, 0.15);
  border-color: var(--color-green);
}

.visual-cell.active-green::after {
  background: var(--color-amber);
}

/* Service Finder */
.finder-section {
  padding: 60px 0;
  border-bottom: 1px solid var(--color-grid);
}

.finder-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.finder-btn {
  background: var(--bg-surface);
  border: 1px solid var(--color-grid);
  padding: 20px;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

.finder-btn:hover, .finder-btn.active {
  border-color: var(--color-blue);
  box-shadow: inset 4px 0 0 var(--color-green);
  background-color: #FAF8FE;
}

.finder-result {
  margin-top: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--color-grid);
  padding: 24px;
  border-radius: var(--border-radius);
  display: none;
}

.finder-result.active {
  display: block;
}

/* Maturity Map */
.maturity-section {
  padding: 60px 0;
  border-bottom: 1px solid var(--color-grid);
}

.maturity-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.maturity-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-grid);
  padding: 20px;
  border-radius: var(--border-radius);
  position: relative;
}

.maturity-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-grid);
  margin-bottom: 12px;
}

.maturity-card.active .maturity-num {
  color: var(--color-blue);
}

.maturity-card.active {
  border-color: var(--color-blue);
  background-color: var(--color-sand);
}

/* Core Services Block */
.services-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-top: 30px;
}

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-grid);
  padding: 24px;
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card:hover {
  border-color: var(--color-blue);
}

.service-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: var(--color-sand);
  color: var(--color-ink);
  padding: 2px 8px;
  border-radius: 2px;
  margin-bottom: 12px;
}

/* AI Readiness & BI Workflows */
.info-block {
  padding: 60px 0;
  border-bottom: 1px solid var(--color-grid);
}

.checklist-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.check-item {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.check-box {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-blue);
  border-radius: 3px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.check-box::after {
  content: '✓';
  color: var(--color-blue);
  font-size: 12px;
  font-weight: bold;
  display: none;
}

.checked .check-box::after {
  display: block;
}

/* Table Architecture Diagram */
.arch-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.arch-table th, .arch-table td {
  border: 1px solid var(--color-grid);
  padding: 12px;
  text-align: left;
}

.arch-table th {
  background-color: var(--bg-main);
  color: var(--color-blue);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Knowledge Base Matrix */
.kb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  margin-top: 30px;
}

.kb-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-grid);
  padding: 20px;
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 220px;
}

.kb-card:hover {
  border-color: var(--color-blue);
}

/* Forms */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-surface);
  padding: 30px;
  border: 1px solid var(--color-grid);
  border-radius: var(--border-radius);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-ink);
}

.form-group input, .form-group select, .form-group textarea {
  border: 1px solid var(--color-grid);
  padding: 10px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: var(--border-radius);
  outline: none;
  background-color: var(--bg-main);
  color: var(--color-ink);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--color-blue);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(74, 27, 140, 0.08);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: var(--bg-surface);
  border: 2px solid var(--color-blue);
  border-radius: var(--border-radius);
  padding: 24px;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(74, 27, 140, 0.12);
  display: none;
}

.cookie-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Footer */
footer {
  background-color: var(--color-ink);
  color: var(--bg-main);
  padding: 60px 0 30px;
  margin-top: 80px;
}

footer a {
  color: var(--color-green);
  text-decoration: underline;
}

footer a:hover {
  color: var(--bg-surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(230, 221, 242, 0.1);
}

.footer-bottom {
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Responsive Rules */
@media (max-width: 1200px) {
  .services-overview-grid, .kb-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .finder-grid {
    grid-template-columns: 1fr;
  }
  .maturity-flow {
    grid-template-columns: 1fr;
  }
  .services-overview-grid, .kb-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--color-grid);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .checklist-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}